As a child who grew up in the eighties there were two main electronics that I had in my bedroom - a keyboard and a stereo cassette deck a.k.a. a "boom box." The keyboard I had in question was a Casio PT-87. As for the boom box, I couldn't tell you what I had. It most likely was a hand me down from my brothers as they upgraded their equipment but there is one thing I can tell you - I used those two things almost daily, sometimes in conjunction so it is only logical for electronics companies of that era to combine the two and make the ultimate device in home recording and playing - a stereo deck with a built in musical keyboard.
I have found three different examples online of this amazing yet forgotten piece of synthesizer (and stereo) history - the Casio KX-101, Casio CK-200 & CK-500, Sharp MR-990, and the Fisher SC-310 (with SCK-30 stereo music composer).
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Casio KX-101 |
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Casio CK-200 |
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Casio CK-500 |
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Sharp MR-990 |
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Fisher SC-310 |
All of these keyboards each have some distinctions in sound (although not much being that they are early-to-mid eighties square wave synths) and they have some varying features, although very little information can be found about these suckers. The Casio KX-101 comes with a keyboard attached to the bottom and provides for 4-note polyphony, some rhythms, arpeggios, and chords. From my understanding, the Casio keyboards also allow for the playing to be recorded onto the internal cassette deck (although I have read on some websites that this is not true). I am uncertain about the Sharp mode but will be reviewing the Fisher SCK-30 because that is the only keyboard currently in my possession, however I will not be able to review the cassette deck features because I have only acquired the keyboard.
Build
Unlike the Casios, the Fisher keyboard is detachable, which is nice. For a small generic keyboard it feels relatively solid and possesses a decent weight (especially with the 5 AA batteries added). The mini-keys sit close but feel responsive to the touch, the sliders feel firm, and the buttons on par with any other kind of toy keyboard of that time.
Cosmetics
This thing definitely has the aesthetics from a nineteen eighties stereo company. The glossy black plastic that covers the top is definitely a change from the drab gray boxes Casio was dropping on the market (whatever happened to those cream-colored or wood-grain Casiotones?) The features are clearly labeled and the LCD display is nice enough to even display a staff so that you know what note you are playing and where it is located. My only complaint is that on the far left of the keyboard are nine bullet points describing the features of the keyboard. I could understand if Fisher decided to eternally emblazon onto the face of their keyboard directions, being that they were not known for making keyboards and the memory play features of these early keyboards can be somewhat confusing, being that they require a sequence of buttons pressed, but bullet points that could be best left for the back of a box or a magazine advertisement?
Sound
The sounds of the voices are that of an inexpensive analog toy keyboard but are slightly different than some of the other keyboards like this out there and considering some of the features, these sounds can be welcomed into one's synthesizer orchestra. I wouldn't be surprised if under the hood this thing had some early Casio or Yamaha circuitry. While they may not be the first chair, they definitely can provide some dynamics or accents to a song. The rhythms are especially nice - particularly the several rhythms with added arpeggios. As a fan of vintage rhythm machines, I find these numerous rhythms to be fun and enjoyable and after several minutes of playing around with the features I came up with several ideas for some songs (I had to stop myself being that I have countless unfinished projects already).
Features
This is where this keyboard shines. While this instrument is monophonic with sounds that sometimes make a Casio VL-1 sound warm, it comes with 8 preset voices, 18 different rhythms, chord function (in a typical organ set up and not integrated into the keyboard like later home keyboards), and when the chord buttons are played along with a rhythm you get kind of a walking bass. Personally I like the chord section resembling that of an organ versus occupying an octave on the lower end of the keyboard. For an individual like myself who is not a trained pianist, having these non-conventional setups helps facilitate the creation of music in an easy and recognizable way. While there is no fill option for the rhythms, it is easy to change rhythms mid-song to provide for some variation. I also thought it interesting that one of the rhythm options is "
enka," which presumably references the Japanese musical style, although I am not sure. I was just surprised to see this option as I have never seen it appear on any other keyboard in my possession.
There are sliders for master volume, rhythm, and chord, transpose and tempo buttons, and perhaps the most interesting aspect of this keyboard - memory recording which allows for the playing of up to 508 notes into 8 different sections that can be stored on a cassette loaded into the accompanying stereo. It is also believed that you can record your playing directly onto the cassette.
While not a part of the stereo, the keyboard only has a left and right RCA jack and no plug for external power. While there is a battery compartment for 5 AA batteries, it appears this is because the keyboard is intended to be used in conjunction with the stereo. From researching, it appears that when docked into the stereo the keyboard consumes less of the batteries and has a longer life but it I am uncertain if the batteries are required while docked. While this is unfortunate, having the keyboard detachable is a positive, being that should the stereo component die you do not also lose an instrument and modifying the keyboard for external power or expanded audio out features would not be terribly difficult to perform and would be possible by a novice technician.
Overall
Overall I think this keyboard is a must have for any collector. Personally I would choose this one over the Casios (although the KX-101 would make an excellent shelf piece since the keyboard is forward facing). The sounds may not make this as desirable to some but the features packed into this small keyboard are a plus. It may not be a centerpiece of a band but it can definitely provide for some interesting music or some level of variation should one choose to utilize the rhythms and while the audio output options are limited, having RCA outs does provide for a nice clean sound. The portability is a positive for this keyboard. While the battery life could pose a nuisance, as mentioned above it could be easy to modify, and even not, I do not see this keyboard being used to draft a symphonic masterpiece. Intermittent use may prove the battery issue a non-issue.
Looking at just the SCK-30, I would recommend if you can find this at a low price (somewhere under the $30 range), or with the SC-310, possibly somewhere under $100. Since this is not a Casio, you may be able to find this relatively cheap (I got my keyboard $20). Personally, I love the forward facing KX-101 with all of its buttons, dials, and sliders. A close second in aesthetics would be the Sharp with the retractable keyboard (those buttons and sliders again do it for me). The problem is that those keyboards, while similar, tend to go for much more. The Fisher can get you into the ballpark for a fraction of the price.
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